940536138 has 16 divisors (see below), whose sum is σ = 1980076320. Its totient is φ = 297011376.

The previous prime is 940536097. The next prime is 940536193. The reversal of 940536138 is 831635049.

It is a junction number, because it is equal to n+sod(n) for n = 940536096 and 940536105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4125045 + ... + 4125272.

It is an arithmetic number, because the mean of its divisors is an integer number (123754770).

Almost surely, 2^940536138 is an apocalyptic number.

940536138 is an abundant number, since it is smaller than the sum of its proper divisors (1039540182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

940536138 is a wasteful number, since it uses less digits than its factorization.

940536138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250341.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 940536138 is about 30668.1616338508. The cubic root of 940536138 is about 979.7723120911.

The spelling of 940536138 in words is "nine hundred forty million, five hundred thirty-six thousand, one hundred thirty-eight".